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CVE-2022-49082

22
FAUCET Score

CVE-2022-49082 is a use-after-free vulnerability in the Linux kernel's mpt3sas SCSI driver. Specifically, the mpt3sas_transport_port_remove() function prematurely frees the 'port' field of the sas_expander structure, leading to a crash (KASAN splat) when subsequent code attempts to access the freed memory. This vulnerability has a CVSS score of 7.8 (High), indicating that a local attacker with low privileges could achieve high confidentiality, integrity, and availability impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.11, < 5.15.34CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.16.20CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.17, < 5.17.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
5.18CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.25%
Probability of exploitation in next 30 days
EPSS Percentile
16.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0025 is in the 50th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-49082Moderate

kernel: scsi: mpt3sas: Fix use after free in _scsih_expander_node_remove()

Feb 26, 2025

References

git.kernel.org / stable/c/17d66b1c92bcb41e72271ec60069d3684aaa1c9c
Patch
git.kernel.org / stable/c/1bb8a7fc64d63ec818e367e1b37676ea2ef2d20c
Patch
git.kernel.org / stable/c/25c1353dca74ad7cf3fd7ce258fe7c957a147d5e
Patch
git.kernel.org / stable/c/87d663d40801dffc99a5ad3b0188ad3e2b4d1557
Patch